$763 Cheap Flights from Istanbul (IST) to Greenville (GSP)

View $763 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to Greenville-Spartanburg Intl. Airport (GSP)

Cheap Flights from Istanbul to Greenville (IST-GSP)

Prices were available within the past 7 days and start at $763 for one-way flights and $854 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Sep 29 - Mon, Oct 6
IST
Istanbul
GSP
Greenville
$854 Roundtrip, found 4 days ago
$854
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 29 from Istanbul to Greenville, returning Mon, Oct 6, priced at $854 found 4 days ago
British Airways
Wed, Oct 22 - Mon, Nov 3
IST
Istanbul
GSP
Greenville
$889 Roundtrip, found 6 days ago
$889
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Oct 22 from Istanbul to Greenville, returning Mon, Nov 3, priced at $889 found 6 days ago
British Airways
Mon, Sep 29 - Mon, Oct 6
IST
Istanbul
GSP
Greenville
$907 Roundtrip, found 4 days ago
$907
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 29 from Istanbul to Greenville, returning Mon, Oct 6, priced at $907 found 4 days ago
British Airways
Mon, Sep 29 - Mon, Oct 6
IST
Istanbul
GSP
Greenville
$936 Roundtrip, found 4 days ago
$936
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 29 from Istanbul to Greenville, returning Mon, Oct 6, priced at $936 found 4 days ago
British Airways
Wed, Oct 22 - Mon, Nov 3
IST
Istanbul
GSP
Greenville
$944 Roundtrip, found 6 days ago
$944
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Oct 22 from Istanbul to Greenville, returning Mon, Nov 3, priced at $944 found 6 days ago
British Airways
Mon, Sep 29 - Mon, Oct 6
IST
Istanbul
GSP
Greenville
$950 Roundtrip, found 4 days ago
$950
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 29 from Istanbul to Greenville, returning Mon, Oct 6, priced at $950 found 4 days ago
British Airways
Mon, Sep 29 - Mon, Oct 6
IST
Istanbul
GSP
Greenville
$979 Roundtrip, found 4 days ago
$979
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 29 from Istanbul to Greenville, returning Mon, Oct 6, priced at $979 found 4 days ago
British Airways
Mon, Sep 29 - Mon, Oct 6
IST
Istanbul
GSP
Greenville
$983 Roundtrip, found 4 days ago
$983
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 29 from Istanbul to Greenville, returning Mon, Oct 6, priced at $983 found 4 days ago
British Airways
Mon, Sep 29 - Mon, Oct 6
IST
Istanbul
GSP
Greenville
$1,000 Roundtrip, found 4 days ago
$1,000
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Sep 29 from Istanbul to Greenville, returning Mon, Oct 6, priced at $1,000 found 4 days ago
Lufthansa
Wed, Oct 22 - Mon, Nov 3
IST
Istanbul
GSP
Greenville
$1,065 Roundtrip, found 6 days ago
$1,065
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Oct 22 from Istanbul to Greenville, returning Mon, Nov 3, priced at $1,065 found 6 days ago
Flights from Istanbul (IST) to Greenville (GSP)
Origin airport
Istanbul
Destination airport
Greenville-Spartanburg Intl.
Roundtrip price
$853
Distance
5595 mi

Istanbul to Greenville Flights

The cheapest times to fly from Istanbul to Greenville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Istanbul to Greenville are during the month of September. You can find some of the cheapest flights from Istanbul to Greenville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Greenville

Sunday is one of the best days to book for cheap flights from Istanbul to Greenville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Istanbul to Greenville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Istanbul to Greenville in 2025. You can also book with separate airlines for your outbound and return journeys, from $763 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Istanbul to Greenville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Istanbul to Greenville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP) cost?
Secure a cheap one-way flight from $763 or cheap return flight from $854 from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP)?
The cheapest month to fly from IST to GSP is September, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP)?
To find the cheapest airline that'll fly you from IST to GSP, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP)?
There are no daily direct flights available from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from IST to GSP?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP)?
Choose a flight from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Booking your flight from IST to GSP shortly before your getaway is typically more expensive. However, if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book an IST to GSP flight and hotel package?
Securing an IST to GSP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Istanbul (IST) to Greenville-Spartanburg Intl. Airport (GSP)?
In most instances, you're able to reschedule or cancel your IST to GSP flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, go to our Customer Service portal.

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*Available to One Key members.